National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Regional Weather Roundup
Issued by NWS

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486
ASUS43 KLOT 051506
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CST FRI DEC 05 2025

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
  REPORT WEATHER SUCH AS PRECIPITATION OR FOG.

ILZ001-002-007-009-015-016-024-051600-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    18   8  65 SW8       29.95S WCI   8 TC  -8
STERLING*      CLOUDY    16   8  71 S5        29.97F WCI   9 TC  -9
$$

ILZ003-004-008-010-011-017-018-051600-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLOUDY    18  10  71 S13       29.95S WCI   5 TC  -8
DE KALB*       CLOUDY    12   9  85 S15       29.96F WCI  -4 TC -11
PERU*          PTSUNNY   13   9  82 S8        30.00S WCI   2 TC -10
$$

ILZ005-006-012>014-019>023-051600-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    17  10  74 SW12      29.98S WCI   4 TC  -8
CHICAGO-MIDWAY CLOUDY    17  11  77 SW13G21   30.01S WCI   4 TC  -8
AURORA         CLOUDY    11   8  88 S10       29.99S FOG     WCI  -3
JOLIET*        CLOUDY    16  14  91 CALM      30.03F TC  -9
WAUKEGAN       CLOUDY    19  10  68 SW18      29.93F WCI   4 TC  -7
DUPAGE AIRPORT CLOUDY    14  10  84 S12       29.98S WCI   0 TC -10
WHEELING       CLOUDY    18  11  74 SW10      29.98F WCI   6 TC  -8
MORRIS*        CLOUDY    10   8  92 S5        30.02S WCI   2 TC -12
ROMEOVILLE*    CLOUDY    12  10  92 S10       30.02S WCI  -1 TC -11
LANSING*       CLOUDY    13   8  81 SW12      30.04R WCI  -1 TC -11
NORTHERLY ISL*   N/A     18  12  77 W10         N/A  WCI   6 TC  -8
$$

LMZ740>746-051600-
SOUTHERN LAKE MICHIGAN

STATION/POSITION SKY/WX   TEMP    WIND        PRES    VSBY  WAVE
                          AIR SEA DIR/SP/G                  HT/PER
                          (F)     (DEG/KT/KT) (MB)    (MI)  (FT/S)
S. MID LAKE BUOY           29 44  220/ 21/ 25 1014.6F
HARRISON CRIB              20     200/ 18/ 21   N/A
NORTHERLY ISL              17     170/  7/ 10   N/A
CALUMET HARBOR             16     180/  8/ 10 1015.7
BURNS HARBOR               16     200/  7/  9 1017.3R
MICHIGAN CITY              16     190/ 10/ 12 1017.7F
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-051600-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    19  12  74 S13       29.99S WCI   6 TC  -7
GALESBURG*     MOSUNNY   14  10  85 S10       29.98F WCI   1 TC -10
MACOMB*        CLOUDY    17  10  73 S6        30.01F WCI   8 TC  -8
JACKSONVILLE*  CLOUDY    17   9  69 S7        30.03F WCI   8 TC  -8
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-051600-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        PTSUNNY   17  15  89 S10       30.03S WCI   5 TC  -8
BLOOMINGTON    MOSUNNY   15  12  88 SW8       30.02F WCI   4 TC  -9
DECATUR        MOSUNNY   14  10  84 SW6       30.04F WCI   5 TC -10
PEORIA         PTSUNNY   11   7  84 S9        30.02F WCI  -2 TC -12
LACON*         PTSUNNY   16   9  73 SW10      30.01F WCI   3 TC  -9
LINCOLN*       MOSUNNY   13   5  70 S3        30.05F TC -11
SPRINGFIELD    MOSUNNY   15   8  73 SW3       30.04F TC  -9
TAYLORVILLE    MOSUNNY   14   9  80 S6        30.05F WCI   5 TC -10
$$

ILZ033-039-045-046-055>057-062-063-051600-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      MOSUNNY   11   7  84 S5        30.04F WCI   3 TC -12
RANTOUL*       MOSUNNY   13  10  89 S5        30.04F WCI   5 TC -11
MATTOON        MOSUNNY   15  11  83 SE5       30.04F WCI   8 TC  -9
PARIS*         MOSUNNY   15  11  83 CALM      30.08S TC  -9
$$

ILZ079-100>102-051600-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          SUNNY     14   9  79 SE3       30.08R TC -10
BELLEVILLE     SUNNY     20  14  78 S5        30.08S WCI  13 TC  -7
CAHOKIA*       SUNNY     21  13  71 CALM      30.09R TC  -6
SPARTA*        SUNNY     21  15  78 S5        30.10F WCI  15 TC  -6
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-051600-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLOUDY    25  21  85 S8        30.12F FOG     WCI  16
CAIRO*         CLOUDY    31  26  83 S3        30.14F TC   0
EFFINGHAM*     MOSUNNY   18  13  82 SE6       30.09F WCI  10 TC  -8
MARION         CLOUDY    25  21  86 CALM      30.12F TC  -4
MT. VERNON     CLOUDY   N/A N/A N/A S7        30.09F
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         FOG       23  20  90 S5        30.08F VSB 3/4 WCI  17
METROPOLIS*    CLOUDY    31  24  73 CALM      30.15S TC   0
$$

ILZ067-068-072-073-078-083-087-091-051600-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  SUNNY     21  17  84 CALM      30.12S TC  -6
FLORA*         PTSUNNY   21  19  93 S7        30.10F WCI  13 TC  -6
FAIRFIELD*     MOSUNNY   23  19  85 CALM      30.12F TC  -5
HARRISBURG*    SUNNY     26  21  81 CALM      30.13F TC  -3
ROBINSON*      MOSUNNY   16  16 100 S2        30.11S TC  -9
$$

ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY
$$